CN209919188U - Positioning mechanism, positioning tool and double-station welding system - Google Patents

Abstract

The utility model provides a positioning mechanism, location frock and duplex position welding system, wherein positioning mechanism includes lift seat, first cylinder, supporting seat and second cylinder, first cylinder promotes lift seat carries out the action of going up and down, the second cylinder promotes the horizontal migration action is carried out to the supporting seat, the supporting seat has first holding surface, works as lift seat is in when spacing down, the lift seat is less than first holding surface works as the lift seat rises to during the top of supporting seat, the supporting seat is in under the promotion of second cylinder to be close to under the lift seat, the support is in after the lift seat falls on the first holding surface. The utility model discloses a first holding surface auxiliary stay lift seat, rather than supporting by first cylinder entirely, strengthened the stability of support, and can not normally be under work at first cylinder, the first holding surface of first holding seat also can support the lift seat alone well.

Description

Positioning mechanism, positioning tool and double-station welding system

Technical Field

The utility model belongs to the technical field of the tooling equipment technique and specifically relates to a positioning mechanism, location frock and duplex position welding system are related to.

Background

When the parts are assembled or the parts (such as a battery module) are welded, the parts or the battery module need to be accurately positioned on a station, the existing positioning mechanism only uses a power part (such as an air cylinder) to move and support the parts or the parts, because the power part is an action machine, larger possible unstable factors (such as unstable air pressure or other mechanical faults) exist, the power part can generate unexpected displacement such as swinging, moving or shaking and the like, and finally the accurate positioning of the battery module can be influenced, the assembly precision of the spare and accessory parts is affected, for example, as described in the specification of the license publication No. CN105510193U entitled "a jacking welding mechanism", only the structural mode that the jacking cylinder pushes the jacking supporting plate is used, if the jacking cylinder has an unstable factor, the workpiece is likely to have positioning deviation, and the final welding effect is affected.

In addition, the existing welding system also has the problems of single station, low production efficiency and inaccurate positioning of the welding pieces.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a positioning mechanism, location frock and duplex position welding system, it can be to the seat that goes up and down, and then to the shallow and weldment or accessories production stabilizing support on the same, accurate location, duplex position welding system production efficiency is high, and is accurate to the weldment location.

For solving the technical problem, the utility model discloses a realize like this, a positioning mechanism sets up in the frame, including the seat that goes up and down, first cylinder, supporting seat and second cylinder, first cylinder promotes the seat that goes up and down to carry out the lift action, and the second cylinder promotes the supporting seat and carries out the horizontal migration action, and the supporting seat has first holding surface, when the seat that goes up and down is in down spacing, the seat that goes up and down is less than first holding surface, when the seat that goes up and down rises to the top of supporting seat, the supporting seat is close to under the promotion of second cylinder to the seat that goes up and down, then the seat that goes up and down falls after supporting on first holding surface under the first holding surface of supporting seat lies in the seat that goes up and down.

Furthermore, the supporting seat is provided with a second supporting surface, the first supporting surface and the second supporting surface are not overlapped, the first supporting surface is higher than the second supporting surface, and when the lifting seat is positioned at the lower limit position, the lifting seat is supported on the second supporting surface.

Furthermore, a guide sleeve is arranged on the machine frame, a guide pillar is fixedly arranged below the lifting seat, and when the lifting seat performs lifting operation, the guide pillar moves along the guide sleeve and the moving direction of the guide pillar is consistent with the lifting direction of the lifting seat.

Furthermore, be equipped with on the lift seat and offer the hole of stepping down for first holding surface, have a rectangular shape hole on the supporting seat, the guide pillar passes the rectangular shape hole, and when the supporting seat removed, the rectangular shape hole offered the stepping down for the guide pillar.

A positioning tool comprises a trolley capable of loading a jig and a positioning mechanism, wherein the trolley is pushed to the position above the positioning mechanism, and then a lifting seat drives the trolley to ascend or descend.

Furthermore, a positioning pin is arranged on the lifting seat, a positioning hole for inserting the positioning pin is formed in the trolley, a guide groove is formed in the lifting seat, a guide wheel is arranged on the trolley, and the guide wheel moves along the guide groove in the process of pushing the trolley to the position above the positioning mechanism.

Furthermore, one side of the rack is also provided with a blocking mechanism which has a blocking effect on the cart, and the blocking mechanism comprises a baffle and a blocking rod which is arranged on the baffle and used for blocking the cart from advancing.

As the preferred structure, the shallow is including the many supporting legss that are used for loading the support plate of tool and support plate, and the supporting legss have the truckle, and the location frock still includes the guide rail, and the guide rail is located the both sides of frame, promotes the shallow and removes to the in-process supporting legs of positioning mechanism top along the guide rail extending direction to the frame both sides.

The utility model provides a duplex position welding system, includes welding robot, and welding robot has a manipulator, installs the welding subassembly on the manipulator, and welding robot's both sides have all been placed location frock.

Further, still including a aircraft bonnet, welding robot and positioning mechanism all arrange the aircraft bonnet in, and the side of aircraft bonnet is equipped with the guard gate of two confession shallow business turn overs, and it has a plurality of dust outlets to open on the aircraft bonnet, installs the dust extraction pipe on the welding robot, and the dust outlet is connected to the one end of dust extraction pipe, and the other end is close to the welding subassembly.

Compared with the prior art, the utility model, beneficial effect lies in:

1. positioning mechanism includes the first cylinder of lift seat and promotion lift seat, still include the second cylinder of supporting seat and promotion supporting seat, the supporting seat has first holding surface, when the lift seat rises to the top of supporting seat, the second cylinder promotes the supporting seat and is close to toward the lift seat under, the first holding surface of supporting seat is located the lift seat under then the lift seat support on first holding surface after falling, through first holding surface auxiliary stay lift seat, and not support by first cylinder entirely, the stability of support has been strengthened, and when first cylinder can not normally work, the first holding surface of first holding seat also can support the lift seat alone well.

2. The positioning tool achieves the purposes of loading, moving and accurately positioning the welding piece or other spare and accessory parts.

3. The double-station welding system is high in production efficiency and accurate in positioning of the welding pieces.

Drawings

Fig. 1 is a perspective view of a positioning mechanism according to an embodiment of the present invention;

fig. 2 is a front view of the positioning mechanism according to the embodiment of the present invention;

FIG. 3 is a perspective view of the positioning mechanism of the embodiment of the present invention with the lifting seat hidden;

fig. 4 is a perspective view of the lifting seat of the embodiment of the present invention;

FIG. 5 is a perspective view of a support base according to an embodiment of the present invention;

fig. 6 is a perspective view of the cart according to the embodiment of the present invention;

fig. 7 is a perspective view of the cart according to the embodiment of the present invention in an inverted state;

fig. 8 is a perspective view of the positioning tool according to the embodiment of the present invention;

fig. 9 is a perspective view of a hood according to an embodiment of the present invention;

fig. 10 is a perspective view of a double-station welding system according to an embodiment of the present invention with a hood hidden.

In the drawings, each reference numeral denotes:

1. a frame; 2. a lifting seat; 3. a first cylinder; 4. a supporting seat; 5. a second cylinder; 4a, a first supporting surface; 4b, a second supporting surface; 21. positioning pins; 100. pushing a cart; 101. positioning holes; 8. a guide sleeve; 22. a guide post; 23. a hole of abdication; 41. a strip-shaped hole; 24. a guide groove; 102. a guide wheel; 200. a blocking mechanism; 201. a baffle plate; 202. a stop lever; 103. a carrier plate; 104. supporting legs; 105. a caster wheel; 106. reinforcing the beam; 300. a guide rail; 400. a welding robot; 401. a manipulator; 402. welding the assembly; 500. a hood; 501. a protective door; 502. a dust outlet; 403. a dust extraction pipe.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 5, a positioning mechanism is disposed on a frame 1, and includes a lifting seat 2, a first cylinder 3, a supporting seat 4 and a second cylinder 5, the first cylinder 3 pushes the lifting seat 2 to perform a lifting action, the second cylinder 5 pushes the supporting seat 4 to perform a horizontal movement action, the supporting seat 4 has a first supporting surface 4a, when the lifting seat 2 is located at a lower limit, the lifting seat 2 is lower than the first supporting surface 4a, when the lifting seat 2 rises to a position above the supporting seat 4, the supporting seat 4 is pushed by the second cylinder 5 to be close to a position under the lifting seat 2, and when the first supporting surface 4a of the supporting seat 4 is located under the lifting seat 2, the lifting seat 2 is supported on the first supporting surface 4a after falling.

Further, the supporting seat 4 has a second supporting surface 4b, the first supporting surface 4a and the second supporting surface 4b are not overlapped, the first supporting surface 4a is higher than the second supporting surface 4b, and when the lifting seat 2 is located at the lower limit position, the lifting seat 2 is supported on the second supporting surface 4 b.

Referring to fig. 6 to 8, a positioning tool including the positioning mechanism includes a cart 100 capable of loading a jig (not shown) and the positioning mechanism, and the lifting base 2 drives the cart 100 to ascend or descend after the cart 100 is pushed above the positioning mechanism.

The positioning mechanism and the positioning tool can be applied to the welding field, and the application in the welding field is explained as an example below, and of course, the positioning mechanism and the positioning tool can also be applied to other fields, such as assembling parts and the like.

The jig is used for placing soldering pieces (not shown in the figure), such as battery modules (not shown in the figure). Now, the battery module is further taken as an example of the weldment positioned by the positioning tool for explanation, the positioning mechanism and the positioning tool are used for accurately positioning the battery module at a set position, and of course, other types of weldments can be positioned by the positioning mechanism and the positioning tool.

Positioning mechanism's final aim at pinpoints the battery module, because first cylinder 3 promotes lift seat 2, and then promote shallow 100, the tool, the battery module carries out the lift action, first cylinder 3 is unstable state probably appears in the atress in-process, the reason includes but not limited to atmospheric pressure unstability, mechanical failure etc., can finally produce the influence to the pinpointing of battery module, for this reason, positioning mechanism has set up first holding surface 4a, make lift seat 2 and shallow 100, the tool, the gravity of battery module is when lift seat 2 is located the position of first holding surface 4a, first holding surface 4a plays the supporting role to lift seat 2, and not all play the supporting role by first cylinder 3, the purpose of stable support has been reached, and then pinpoint the battery module. In the same way, the second supporting surface 4b is further arranged to support the lifting seat 2 instead of the first cylinder 3, so that the purpose of stably supporting the lifting seat 2 is achieved.

Of course, when the lifting seat 2 is not lifted, the lifting seat 2 may be supported on the frame 1, instead of being supported by the first cylinder 3.

Compared with a positioning mechanism, the positioning tool achieves the purposes of loading, moving and accurately positioning the welding piece or other spare and accessory parts.

In this embodiment, there are two first cylinders 3, which are respectively installed on two sides of the frame 1, and the piston rods of the two first cylinders 3 respectively support two sides of the lifting seat 2. The stability of the lifting process of the lifting seat 2 can be improved by the arrangement of the two first air cylinders 3, so that the final positioning of the battery module is more accurate. With lift seat 2 cooperateing, second cylinder 5 and supporting seat 4 also all have two, and the piston rod of two second cylinders 5 points to the both sides of lift seat 2 respectively, and supporting seat 4 also sets up the position that is being close to lift seat 2 both sides.

One or more second supporting surfaces 4b and first supporting surfaces 4a can be arranged on each supporting seat 4, in the embodiment, two second supporting surfaces 4b and two first supporting surfaces 4a are arranged on each supporting seat 4, so that the supporting area of the supporting seat 4 to the lifting seat 2 is large, the stability of the lifting seat 2 in the lifting process is improved, the stability of the lifting seat 2 in the static supporting process is also improved, and the final positioning of the battery module is more accurate.

The working mode of the positioning tool is as follows:

the lifting seat 2 is supported on the second supporting surface 4b when not lifted;

the cart 100 is pushed to the upper part of the positioning mechanism, and then the first cylinder 3 drives the lifting seat 2 to ascend;

the lifting seat 2 then lifts the cart 100, and the cart 100 is lifted;

then the supporting seat 4 is pushed by the second cylinder 5, and the first supporting surface 4a moves to the lower part of the lifting seat 2;

the lifting seat 2 descends, the lifting seat 2 is supported on the first supporting surface 4a, and the fixture, namely the positioning of the battery module, is completed.

The first cylinder 3 and the second cylinder 5 are supplied with air by an air supply assembly.

In order to ensure that the cart 100 is positioned above the positioning mechanism in an accurate position and to maintain the stability of the cart 100 in the lifting process, the positioning pin 21 is arranged on the lifting seat 2, the positioning hole 101 for inserting the positioning pin 21 is arranged on the cart 100, and when the lifting seat 2 is lifted, the positioning pin 21 is driven to be inserted into the positioning hole 101, so that the positioning and stabilizing purposes are achieved, and the final positioning of the battery module is more accurate.

In order to further ensure the stability of the lifting seat 2 and the cart 100 during lifting, a guide sleeve 8 is installed on the rack 1, a guide post 22 is fixedly arranged below the lifting seat 2, when the lifting seat 2 performs lifting action, the guide post 22 moves along the guide sleeve 8, the moving direction of the guide post 22 is consistent with the lifting direction of the lifting seat 2, and the guide post 22 moves in the guide sleeve 8, so that the cart 100 rises strictly according to the path determined by the guide sleeve 8, the purpose of stabilizing the cart 100 is also achieved, and the final positioning of the battery module is more accurate.

The positioning pin 21, the positioning hole 101, the guide sleeve 8 and the guide pillar 22 are arranged to stabilize the positioning mechanism, the positioning and the cart 100, so that the jig and the battery module are positioned and stabilized, and the battery module is accurately positioned on the set station.

In this embodiment, because the two first cylinders 3 support the lifting seat 2 together, the two second cylinders 5 are disposed at the lower position in the middle of the lifting seat 2, the piston rods of the second cylinders 5 point to the two sides of the lifting seat 2, the supporting seats 4 are disposed at the positions close to the two sides of the lifting seat 2, and because the lifting seat 2 falls below the first supporting surface 4a during the falling process, therefore, the lift seat 2 is provided with a yielding hole 23 for providing yielding for the first supporting surface 4a, and of course, when two first cylinders 3 each support an independent lift seat 2, or in the form that only one first cylinder 3 is provided to support one lifting platform 2, the relief hole 23 is not necessary, because the lifting base 2 does not need to extend above the first supporting surface 4a, the lifting base 2 and the first supporting surface 4a do not interfere with each other during lifting.

The supporting seat 4 is provided with a strip-shaped hole 41, the guide post 22 penetrates through the strip-shaped hole 41, when the supporting seat 4 moves, the strip-shaped hole 41 provides a yielding for the guide post 22, the supporting seat 4 can avoid the guide post 22 in the moving direction, and the strip-shaped hole 41 is not needed to be arranged at the moment, because the condition of interference with the guide post 22 cannot occur in the stroke range of the supporting seat 4.

In order to make the cart 100 move along a predetermined route to the maximum extent during pushing above the positioning mechanism, so that the position of the cart does not deviate, the lifting base 2 is provided with a guide groove 24, the cart 100 is provided with a guide wheel 102, and the guide wheel 102 moves along the guide groove 24 during pushing the cart 100 above the positioning mechanism.

A blocking mechanism 200 which has a blocking effect on the cart 100 is further arranged on one side of the rack 1, the blocking mechanism 200 comprises a baffle 201 and a stop lever 202 which is arranged on the baffle 201 and used for blocking the cart 100 from advancing, and the blocking mechanism 200 is used for blocking the cart 100 from continuing to advance when the cart 100 is pushed in place, and also has an effect of accurately positioning the cart 100.

In this embodiment, the device further comprises a sensing device, the sensing device can sense the in-place situation of the cart 100, and when the cart 100 is accurately in place, the first cylinder 3 and the second cylinder 5 can be driven to start to sequentially operate, and of course, the first cylinder 3 can also be manually controlled.

In this embodiment, the cart 100 includes a carrier plate 103 for loading a jig and a plurality of supporting legs 104 for supporting the carrier plate 103, casters 105 are disposed under the supporting legs 104, further, in order to limit accurate movement of the supporting legs 104, the positioning tool further includes guide rails 300, the guide rails 300 are located at two sides of the rack 1, and the supporting legs 104 move to two sides of the rack 1 along the extending direction of the guide rails 300 in the process of pushing the cart 100 to the position above the positioning mechanism. A plurality of reinforcing beams 106 are also arranged between the carrier plate 103 and the supporting legs 104, and between the supporting legs 104 and the supporting legs 104, and the positioning holes 101 and the guide wheels 102 described above can be arranged on the reinforcing beams 106.

Referring to fig. 9 and 10, a double-station welding system comprises a welding robot 400, wherein the welding robot 400 is provided with a manipulator 401, a welding assembly 402 is mounted on the manipulator 401, and the positioning tools are placed on two sides of the welding robot 400. In this embodiment, the welding assembly 402 is an automatic welding assembly 402 for measuring distance, addressing welding seams and welding battery modules, and in this embodiment, the vibrating mirror welding assembly 402 is used for welding battery modules and is used for measuring distance, addressing welding seams of a CCD and performing vibrating mirror laser welding on the welding seams.

The double-station welding system further comprises a hood 500, the welding robot 400 and the positioning mechanism are arranged in the hood 500, and two protective doors 501 for the cart 100 to enter and exit are arranged on the side face of the hood 500.

Because smoke can be generated in the welding process, in order to ensure the stability of the welding environment, the hood 500 is provided with a plurality of dust outlets 502, the welding robot 400 is provided with the dust exhaust pipe 403, one end of the dust exhaust pipe 403 is connected with the dust outlets 502, the other end of the dust exhaust pipe is close to the welding assembly 402, and one end of the dust exhaust pipe 403, which is close to the welding assembly 402, moves along with the manipulator 401 to be close to the occurrence position of the welding smoke to a greater extent, so that the dust exhaust pipe is beneficial to absorbing the welding smoke.

The double-station welding system can be used for alternately welding the battery modules positioned on the stations on two sides by one welding robot 400, and the specific working mode is as follows:

when the positioning mechanism located at the left station (the "left station" and the "right station" below are only for convenience of description, and are not used to particularly limit a certain station in the dual-station welding system) is in the positioning process that the cart 100 is pushed above the positioning mechanism and the first cylinder 3 and the second cylinder 5 start to sequentially act, the manipulator 401 of the welding robot 400 drives the welding assembly 402 to weld the battery module on the cart 100 at the right station, and the dust exhaust pipe 403 continuously absorbs smoke during the welding process;

after the positioning mechanism of the left station positions the battery module, the welding work of the right station is also completed, then the manipulator 401 drives the welding assembly 402 to swing to the left station, the welding of the battery module of the left station is started, meanwhile, the cart 100 is retreated from the protective door 501 of the hood 500 on the right station, a jig with the battery module is reloaded and then pushed into the hood 500, and after the pushing, the positioning process that the cart 100 is pushed above the positioning mechanism and the first cylinder 3 and the second cylinder 5 start to act in sequence is completed;

the double-station welding system is provided with the procedures to alternately weld the battery modules positioned at the stations on the two sides. The double-station welding system is high in production efficiency and accurate in positioning of the battery module.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a positioning mechanism, sets up in frame (1), its characterized in that, including lift seat (2), first cylinder (3), supporting seat (4) and second cylinder (5), first cylinder (3) promote lift seat (2) carry out the lift action, second cylinder (5) promote supporting seat (4) carry out the horizontal migration action, supporting seat (4) have first holding surface (4a), work as when lift seat (2) are located down spacing, lift seat (2) are less than first holding surface (4a), work as lift seat (2) rise to when the top of supporting seat (4), supporting seat (4) are in the promotion of second cylinder (5) down to be close to under lift seat (2), work as first holding surface (4a) of supporting seat (4) are located under lift seat (2) then support after lift seat (2) fall in first holding surface (4a) The above.

2. The positioning mechanism according to claim 1, wherein the support base (4) has a second support surface (4b), the first support surface (4a) and the second support surface (4b) do not coincide, the first support surface (4a) is higher than the second support surface (4b), and the lifting base (2) is supported on the second support surface (4b) when the lifting base (2) is in the lower limit position.

3. The positioning mechanism according to claim 1, wherein a guide sleeve (8) is mounted on the frame (1), a guide post (22) is fixedly mounted below the lifting seat (2), and when the lifting seat (2) performs a lifting operation, the guide post (22) moves along the guide sleeve (8) and the moving direction is consistent with the lifting direction of the lifting seat (2).

4. The positioning mechanism according to claim 3, wherein the lifting seat (2) is provided with a yielding hole (23) for yielding the first supporting surface (4a), the supporting seat (4) is provided with a strip-shaped hole (41), the guide post (22) passes through the strip-shaped hole (41), and when the supporting seat (4) moves, the strip-shaped hole (41) provides yielding for the guide post (22).

5. The utility model provides a location frock which characterized in that: the device comprises a cart (100) capable of loading jigs and a positioning mechanism according to any one of claims 1 to 4, wherein the cart (100) is pushed above the positioning mechanism, and then the lifting seat (2) drives the cart (100) to ascend or descend.

6. The positioning tool according to claim 5, wherein the lifting seat (2) is provided with a positioning pin (21), the cart (100) is provided with a positioning hole (101) for inserting the positioning pin (21), the lifting seat (2) is provided with a guide groove (24), the cart (100) is provided with a guide wheel (102), and the guide wheel (102) moves along the guide groove (24) in the process of pushing the cart (100) to the position above the positioning mechanism.

7. The positioning tool according to claim 5, characterized in that a blocking mechanism (200) for blocking the cart (100) is further arranged on one side of the frame (1), and the blocking mechanism (200) comprises a baffle (201) and a stop lever (202) arranged on the baffle (201) and used for blocking the cart (100) to advance.

8. The positioning tool according to any one of claims 5 to 7, characterized in that the cart (100) comprises a carrier plate (103) for loading jigs and a plurality of supporting legs (104) for supporting the carrier plate (103), casters (105) are arranged under the supporting legs (104), the positioning tool further comprises guide rails (300), the guide rails (300) are located on two sides of the rack (1), and the supporting legs (104) move to two sides of the rack (1) along the extending direction of the guide rails (300) in the process of pushing the cart (100) to the position above the positioning mechanism.

9. A double-station welding system, comprising a welding robot (400), wherein the welding robot (400) is provided with a manipulator (401), a welding assembly (402) is installed on the manipulator (401), and the positioning tool of any one of claims 5 to 8 is placed on two sides of the welding robot (400).

10. The double-station welding system according to claim 9, further comprising a hood (500), wherein the welding robot (400) and the positioning mechanism are both disposed in the hood (500), two protective doors (501) for the cart (100) to enter and exit are disposed on the side of the hood (500), a plurality of dust outlets (502) are formed in the hood (500), a dust extraction pipe (403) is mounted on the welding robot (400), one end of the dust extraction pipe (403) is connected with the dust outlets (502), and the other end of the dust extraction pipe is close to the welding assembly (402).

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